What has more mass a golf ball or tennis ball ?

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.